Home / 27,111.10-40,665.45-7,389.66

Finding the Fourth Proportional to 27,111.10, 40,665.45 and 7,389.66

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Solution

The fourth proportional to 27,111.10, 40,665.45 and 7,389.66 is: 11,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.10 : 40,665.45 = 7,389.66 : x
  2. Step 2: Convert to fraction form
    27,111.10/40,665.45 = 7,389.66/x
  3. Step 3: Cross multiply
    27,111.10x = 40,665.45 × 7,389.66
  4. Step 4: Simplify right side
    27,111.10x = 300,503,664.39
  5. Step 5: Solve for x
    x = 300,503,664.39/27,111.10
  6. Step 6: Final answer
    x = 11,084.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.